Family helps to bring John out from the darkness. It is filed under taboo incest, and runs about 14800 words. 4.7 out of 5 from 1166 readers. Part 4 of Unbelievable.

soul71 also wrote Evermore.

Others under taboo incest Older Sister's Embrace, My Lingerie-Loving Sister Moves In and 2 Moms, 2 Sons... Ch. 5, and 9 more.

Or keep going.